fix: fix global keyboard event is invalid in some case

[MrMengJ]

Closes: #2300

Description

Motivation and Context

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Enhancement (changes that improvement of current feature or performance)
• Refactoring (changes that neither fixes a bug nor adds a feature)
• Test Case (changes that add missing tests or correct existing tests)
• Code style optimization (changes that do not affect the meaning of the code)
• Docs (changes that only update documentation)
• Chore (changes that don't modify src or test files)

Self Check before Merge

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[coveralls]

Pull Request Test Coverage Report for Build 2601272104

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 0.0%

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Totals
Change from base Build 2589785806:	0.0%
Covered Lines:	0
Relevant Lines:	0

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💛 - Coveralls

[codecov]

Codecov Report

Merging #2301 (1757ed6) into master (d622db6) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master    #2301   +/-   ##
=======================================
  Coverage   40.88%   40.88%           
=======================================
  Files         542      542           
  Lines       32296    32296           
  Branches     6572     6572           
=======================================
  Hits        13204    13204           
  Misses      18300    18300           
  Partials      792      792           

Flag	Coverage Δ
x6	26.97% <0.00%> (ø)
x6-geometry	63.74% <ø> (ø)
x6-vector	94.23% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
packages/x6/src/graph/keyboard.ts	22.09% <0.00%> (ø)